His own experiment. Answer:
Explanation:
Answer ;
1- He have arguments with his friends.
2-It is difficult to make.
3- He found the problem.
4- I never speak .
5- Did they give you advice ?
-I think these are the right answers
<span>B would be the most appropriate.
</span>
Leaning forward with narrowed eyes fits the definition of scrutinize which is to examine very closely and carefully.
<span>
Hope it helped :)</span>
